Is 'Amp Intelligence' the future of guitar tone? If this new Positive Grid amp is anything to go by, we've still got a few ...

We’ve all been there before. Whether it’s camping or at home during a power outage, something nearby needs power. Fortunately, there are plenty of portable power stations out there and they’re only ...

The stylish, compact, and great-sounding Spark Mini may be pricey, but it also doubles as an uber-portable practice amp. Guitar amp vendors are known for selling the best-sounding consumer audio ...

If you're looking for a portable guitar amp, the Positive Grid Spark GO is an option that has received many positive reviews. Using a portable amp like this means you can play guitar wherever you go - ...

If you think that having a tiny practice amp sounds good in theory, but you're concerned about whether or not such an amp exists that actually sounds good, the Positive Grid Spark Mini is here to ...

Andrew Chien Entropia Peer-to-Peer Working Group Andrew Grimshaw Avaki; U. Virginia Commercial grid software Miron Livny U. Wisconsin, Madison Open-source system to harness idle workstations Steven ...